Letters and Blogs
China Daily | Updated: 2009-04-22 07:49
Giving the green light to progress
The 10th China international light fair held in Beijing from April 14 to 16 attracted hundreds of exhibitors and a large number of visitors, including a throng of foreigners.
Some of the attraction at the fair was also generated by low-energy bulbs we call light-emitting diode or LED lights.
Photo
